X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fcore%2Flaunch_feisty_meow.sh;h=2f8aca0832a1000cd97cbaa150c5ecb725cf7d0b;hb=e6ce0aa508c3ad1beb167fdf20732b24f383c651;hp=26ad78e2d1d5d7101a69f70972aeaa4d89efe5b1;hpb=9e12dd35e19e863639aa86f4f96c64985dceb398;p=feisty_meow.git diff --git a/scripts/core/launch_feisty_meow.sh b/scripts/core/launch_feisty_meow.sh index 26ad78e2..2f8aca08 100644 --- a/scripts/core/launch_feisty_meow.sh +++ b/scripts/core/launch_feisty_meow.sh @@ -18,8 +18,15 @@ ############## +# first step--capture the current path if we haven't already. +if [ -z "$FEISTY_MEOW_ORIGINAL_PATH" ]; then + export FEISTY_MEOW_ORIGINAL_PATH="$PATH" +fi + +############## + # this script cannot handle figuring out where it lives, so approaches that -# get the WORKDIR will fail. this is a consequence of this always being used +# get the THISDIR will fail. this is a consequence of this always being used # in bash's 'source' directive, which does not pass the script name as # argument 0. instead, we just check for the bad condition of a malconfigured # script system and try to repair it. @@ -44,13 +51,37 @@ if [ ! -d "$FEISTY_MEOW_APEX" ]; then The feisty meow configuration is damaged somehow. Please change to the directory where it is stored, e.g.: - cd /opt/feistymeow.org/feisty_meow + cd /opt/feistymeow.org/feisty_meow + +and run this command (the whole unwieldy multiple line chunk inside the bars): + + +############## + exec bash -i 3<&- <&4 +EOF +############## -and execute this command: - export FEISTY_MEOW_APEX=\"\$(pwd)\"; export FEISTY_MEOW_SCRIPTS=\"\$(pwd)/scripts\"; bash scripts/core/reconfigure_feisty_meow.sh && exec bash -i -c \"source \$(pwd)/core/launch_feisty_meow.sh; bash\" +This code snippet assumes that the .bashrc file could still need editing to +fix an erroneous FEISTY_MEOW_APEX variable, so we skip it above when bash +runs. Check \$HOME/.bashrc to see if a change there will fix the problem. " +else + # apex is good, so let's make the scripts good too. + if [ -z "$FEISTY_MEOW_SCRIPTS" -o ! -d "$FEISTY_MEOW_SCRIPTS" ]; then + export FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_APEX/scripts" + fi + # check again to test our belief system... + if [ ! -d "$FEISTY_MEOW_SCRIPTS" ]; then + unset NO_REPAIRS_NEEDED + echo -e "The feisty meow scripts cannot be found under the current top:\n FEISTY_MEOW_APEX=$FEISTY_MEOW_APEX" + fi fi if [ "$NO_REPAIRS_NEEDED" == "true" ]; then @@ -62,12 +93,26 @@ if [ "$NO_REPAIRS_NEEDED" == "true" ]; then # some preconditions we want to establish before loading anything... # make sure that aliases can be used in non-interactive shells. + # this causes all aliases that are currently defined for this shell to + # be inherited by subshells that this shell starts. this is unusual, + # but is preferred for my workflow in feisty meow scripts; it saves me + # time re-adding aliases if i can count on them already being there. + # this is a problem if you *don't* want the aliases there though. we can + # solve that problem by running bash with the "-O expand_aliases" flags to + # stop the expansion for the next subshell. shopt -s expand_aliases # patch the user variable if we were launched by one of our cron jobs. if [ -z "$USER" -a ! -z "$CRONUSER" ]; then export USER="$CRONUSER" fi + + # use the xauth info if we were given one in the environment. + # this allows root or other su'd identities to create windows with same + # display variable. + if [ ! -z "$DISPLAY" -a ! -z "$IMPORTED_XAUTH" ]; then + xauth add $DISPLAY . $IMPORTED_XAUTH + fi ############## @@ -80,7 +125,7 @@ if [ "$NO_REPAIRS_NEEDED" == "true" ]; then # this is our single entry point we can use without knowing any variables # yet in the initialization process. export FEISTY_MEOW_LOADING_DOCK="$HOME/.zz_feisty_loading" - #hmmm: the above is kind of a constant. that's not so great. +#hmmm: the above is kind of a constant. that's not so great. # make sure our main variables are established. FEISTY_MEOW_VARIABLES_LOADING_FILE="$FEISTY_MEOW_LOADING_DOCK/fmc_variables.sh" @@ -98,9 +143,8 @@ if [ "$NO_REPAIRS_NEEDED" == "true" ]; then fi ############## - + if [ -z "$ERROR_OCCURRED" ]; then - # pull in our generated variables that are the minimal set we need to find # the rest of our resources. source "$FEISTY_MEOW_VARIABLES_LOADING_FILE" @@ -114,10 +158,9 @@ if [ "$NO_REPAIRS_NEEDED" == "true" ]; then ############## if [ -z "$ERROR_OCCURRED" ]; then - - # load the larger body of standard feisty meow variables into the environment. - # we actually want this to always run also; it will decide what variables need - # to be set again. + # no error occurred in our tests above, so load the larger body of standard feisty + # meow variables into the environment. we actually want this to always run also; + # it will decide what variables need to be set again. source "$FEISTY_MEOW_SCRIPTS/core/variables.sh" ############## @@ -132,6 +175,7 @@ if [ "$NO_REPAIRS_NEEDED" == "true" ]; then ############## +#hmmm: abstract this to a twiddle shell options method. # check hash table before searching path. shopt -s checkhash # don't check path for sourced files. @@ -182,5 +226,35 @@ if [ "$NO_REPAIRS_NEEDED" == "true" ]; then fi # no error occurred. + if [ ! -z "$FEISTY_MEOW_SHOW_LAUNCH_GREETING" ]; then + echo + echo + echo "welcome to the feisty meow zone of peace, one of many refuges in the uncountably" + echo "infinite multiverses that are hypothetically possible." + echo + echo + unset FEISTY_MEOW_SHOW_LAUNCH_GREETING + fi + + # only run this hello file if the core feisty meow support haven't been loaded already. this + # hopefully guarantees we show the info at most once in one shell continuum. + # this can also be disabled if the NO_HELLO variable has a non-empty value. + type CORE_VARIABLES_LOADED &>/dev/null + if [ $? -ne 0 -a -z "$NO_HELLO" ]; then + # print out a personalized hello file if we find one. + if [ -f ~/hello.txt ]; then + echo + sep 28 + perl $FEISTY_MEOW_SCRIPTS/*/filedump.pl ~/hello.txt + sep 28 + echo + fi + # from now on there should be no extra helloing. + export NO_HELLO=true + fi + + # load the last bits we do here. + source "$FEISTY_MEOW_LOADING_DOCK/fmc_ending_sentinel.sh" + fi # "$NO_REPAIRS_NEEDED" was == "true"